Ptolemaic Orbs in Twelfth-Century England: A Study and Edition of the Anonymous 'Liber de motibus planetarum'
Dr Philipp Nothaft: List of publications
Vanitas vanitatum et super omnia vanitas: The Astronomer Heinrich Selder and A Newly Discovered Fourteenth-Century Critique of Astrology
John Holbroke, the Tables of Cambridge, and the "true length of the year": a forgotten episode in fifteenth-century astronomy
Zaccaria Lilio and the shape of the earth: A brief response to Allegro's "Flat earth science".
From the true Birth Year of Christ
Criticism of trepidation models and advocacy of uniform precession in medieval Latin astronomy
A Reluctant Innovator: Graeco-Arabic Astronomy in the Computus of Magister Cunestabulus (1175)
Astronomy and calendar reform at the curia of Pope Clement VI: a new source.
Josephus and New Testament Chronology in the Work of Joseph Scaliger
Bede and the Future
Controversial Rimes: Calender Reforms in the Old Empire 1582-1700
Duking it Out in the Arena of Time: Chronology and the Christian-Jewish Encounter (1100-1600)
Magister Rheticus and his School Mates: The Struggle for Knowledge and Implementation of the heliocentric World System of Copernicus around 1540/50
Walter Odington's De etate mundi and the Pursuit of a Scientific Chronology in Medieval England.
Bede's horologium: Observational Astronomy and the Problem of the Equinoxes in Early Medieval Europe (c. 700-1100)
Science at the papal palace: Clement vi and the calendar reform project of 1344/45
Critical Analysis of The Alfonsine Tables in the Fourteenth Century: The Parisian Expositio Tabularum Alfonsii of 1347
John of Murs and the Treatise Autores kalendarii (1317): A Problem of Authorship.
Roman vs. Arabic Computistics in Twelfth-Century England: A Newly Discovered Source (Collatio Compoti Romani et Arabici).
The astronomical data in the très riches heures and their fourteenth-century source
Calendars beyond borders: Exchange of calendrical knowledge between Jews and Christians in Medieval Europe (12th-15th century)
A tool for many purposes:Hermann Zoest and the medieval Christian appropriation of the Jewish calendar
Climate, astrology and the age of the world in thirteenth-century thought: Giles of Lessines and roger bacon on the precession of the solar apogee
John of Pulchro Rivo and John of Saxony: A mise au point
The reception and application of Arabic science in twelfth-century computistics: New evidence from Bavaria